Interstate Highways in Hawaii

 

The shields of Hawaii's primary Interstate highways and its sole auxiliary Interstate highway.

There are four primary Interstate highways and one auxiliary Interstate highway in Hawaii - four of Hawaii's Interstate highways are located on the island of Oahu, and one Interstate highway is located on the island of Maui.

Interstate H-1 (I-H1) - Runs from Hawaii Route 93 in Kapolei to Hawaii Route 72 in Honolulu.

Interstate H-2 (I-H2) - Runs from Interstate H1 in Pearl City to Hawaii Route 99 in Wahiawa.

Interstate H-3 (I-H3) - Runs from Interstate H1 and Interstate H201 in Halawa to Kaneohe, where it ends at the gates to Marine Corps Base Hawaii.

Interstate H-4 (I-H4) - The only Interstate highway that runs in Maui. H-4 runs from Hawaii Route 30 in Lahaina to Hawaii Route 360 in Hana.

Interstate H-201 (I-H201) - Runs from Interstate H1 and Interstate H3 in Halawa to Interstate H1 in Honolulu.

Updated October 30, 2025 (corrected an error).

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